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"Branch Rickey's Equation Fifty Years Later,"
(with Danielle Catambay), revised January 2007.
pdf file (39KB).
Abstract
This paper analyzes Branch Rickey's 1954 equation in a regression
context. The results for 1934--1953 are consistent with Rickey's
conclusions, and the equation holds up well when extended
51 years. Two of Rickey's main points were that on base percentage
dominates batting average and that offense and defense are equally
important, and these, along with the entire equation, are generally
supported by
the results. Rickey does seem to have been ahead of his time.
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